Physiology Exam 3

Which plexus provides motor and sensory innervation to the upper limb?

brachial plexus

sacral plexus

cranial plexus

lumbar plexus

Which special sense does NOT travel through the thalamus at any point in its transmission?

vision

olfaction

hearing

gustation

Control of skeletal muscle is the responsibility of:

a postganglionic neuron.

a preganglionic neuron.

a somatic motor neuron.

an autonomic ganglion.

Potentially damaging stimuli that result in pain are selectively detected by:

chemoreceptors.

nociceptors.

photoreceptors.

proprioceptors.

Eight-year-old Cate stood by her mother’s bed, watching her sleep and perplexed by the rapid movement of her mother’s eyes beneath the eyelids. We know Cate’s mother was experiencing stage III sleep by what Cate witnessed.